View source for Biology:Psychroteuthis glacialis

{{Short description|Species of squid}}
{{Speciesbox
| name = Glacial squid
| image = Psychroteuthis glacialis paralarva.jpg
| image_caption = ''Psychroteuthis glacialis'' [[Biology:Paralarva|paralarva]] (<2&nbsp;cm ML) from the Ross Sea of [[Earth:Antarctica|Antarctica]]
| image2 = Psychroteuthis glacialis paralarva2.jpg
| image2_caption = Another view of the same specimen
| status = LC
| status_system = IUCN3.1
| grandparent_authority = Thiele, 1920
| genus = Psychroteuthis
| parent_authority = Thiele, 1920
| species = glacialis
| authority = Thiele, 1920<ref name = WoRMS>{{cite WoRMS|author=Julian Finn|year=2016|title=''Psychroteuthis glacialis'' Thiele, 1920 |id=325312|access-date=17 March 2018|db=MolluscaBase}}</ref>
}}

'''''Psychroteuthis glacialis''''', the '''glacial squid''', is the only known species in the monotypic genus '''''Psychroteuthis''''', in the family '''Psychroteuthidae'''. While only one species has been confirmed, two undescribed species also probably exist.{{citation needed|date=April 2020}} The species occurs in [[Earth:Coast|coast]]al waters near [[Earth:Antarctica|Antarctica]] and [[Earth:South America|South America]]. It grows to a [[Biology:Mantle (mollusc)|mantle]] length of {{convert|44|cm|ft|abbr=on}}.<ref>Roper C.F.E., M.J. Sweeney & C.E. Nauen 1984. ''Cephalopods of the world''. Food and Agriculture Organization, Rome, Italy.</ref>

==Ecology==
''P. glacialis'' is known to feed on many [[Biology:Crustacean|crustacean]]s, [[Biology:Fish|fish]], [[Biology:Lanternfish|lanternfish]], Antarctic krill, and [[Biology:Antarctic silverfish|Antarctic silverfish]], and has been known to practice [[Biology:Cannibalism|cannibalism]].<ref>[http://www.cephbase.utmb.edu/preydb/prey.cfm?CephID=337 CephBase: Prey/Diet of ''Psychroteuthis glacialis''] {{webarchive|url=https://web.archive.org/web/20041120053440/http://www.cephbase.utmb.edu/preydb/prey.cfm?CephID=337 |date=2004-11-20 }}</ref> Animals known to routinely feed on glacial squid include the [[Biology:Antarctic petrel|Antarctic petrel]], [[Biology:Light-mantled albatross|light-mantled albatross]], Ross seal, [[Biology:Southern elephant seal|southern elephant seal]], [[Biology:Weddell seal|Weddell seal]], [[Biology:Patagonian toothfish|Patagonian toothfish]], [[Biology:Wandering albatross|wandering albatross]], [[Biology:Grey-headed albatross|grey-headed albatross]], the [[Biology:Adélie penguin|Adélie penguin]], and the [[Biology:Emperor penguin|emperor penguin]].<ref>[http://www.cephbase.utmb.edu/preydb/prey.cfm?CephID=337 CephBase: Predators of ''Psychroteuthis glacialis''] {{webarchive|url=https://web.archive.org/web/20041120053440/http://www.cephbase.utmb.edu/preydb/prey.cfm?CephID=337 |date=2004-11-20 }}</ref>

== Distribution ==
The squid inhabits the [[Earth:Pelagic zone|pelagic zone]] in [[Earth:Subtropics|subtropical]] regions. It is found in depths of {{Convert|300|-|1000|m|abbr=on}}.<ref>{{Cite web |title=''Psychroteuthis glacialis'', Glacial squid |url=https://sealifebase.ca/summary/Psychroteuthis-glacialis.html |access-date=2022-03-04 |website=sealifebase.ca}}</ref>

==References==
{{Reflist}}

==External links==
{{CephBase Species|337}}
*[http://tolweb.org/Psychroteuthis_glacialis/19783 Tree of Life web project: ''Psychroteuthis glacialis'']

{{Taxonbar|from=Q2934331}}

[[Category:Squid]]



{{Sourceattribution|Psychroteuthis glacialis|1}}